#include<iostream>
#include<cstring>
using namespace std;
int main(){
    char s[100]="I like ,,,... C++ programming!";
    int len=strlen(s);
    for(int i=0;i<len;i++){
        if((s[i]>='A'&&s[i]<='Z')||(s[i]>='a'&&s[i]<='z')||(s[i]=='+')){
            cout<<s[i];
        }
    }
    return 0;
}
